CA	GA
GA	IA
IA	IN
IN	KS
KS	MA
MA	NC
NC	NJ
NJ	NY
NY	RI
RI	TX
TX	null
AZ	CO
CO	FL
FL	MN
MN	NE
NE	OR
OR	SC
SC	SD
SD	VT
VT	WI
WI	WY
WY	null
